Inland · Rule 22
Visibility of Lights
TL;DR
Required minimum visibility ranges by vessel length: 50 m+ shows masthead at 6 nm, sidelights at 3 nm, sternlight at 3 nm, towing yellow at 3 nm, all-round at 3 nm. Smaller vessels have proportionally shorter ranges.
Authoritative source
International parallel
COLREGs Rule 22 — Visibility of Lights →More from Part C — Lights and Shapes
Related drills
- Rule 20 — Application (Lights and Shapes)
- Rule 21 — Definitions (Lights)
- Practise Rule 23 — Power-driven Vessel Underway
- Practise Rule 24 — Towing and Pushing
Drill Inland Rule 22
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